Pauli Polkki
Wave Manuel
Wave Manuel by Pauli Polkki is a free waveshaping synthesizer featuring a unique morphing oscillator with symmetry, saturation, and shaping controls. It delivers classic analog-style waveforms in stereo.
VST2Synths
Instruments, effects, and hidden gems
Free plugins: Synths
Browse 587 reviewed free synths plugins for Windows, with compatibility, formats, interface previews, and installation details.
2140reviewed plugins
79%install-ready
Top 5category ranks
40sound categories
All categoriesDrum kits · 29Drum synths · 14Drum machines · 9Single drums · 27Groove / sequencers · 10Percussion · 30Drums · 30Guitar & bass · 28Piano & keys · 79Brass & wind · 44Folk & ethnic · 53Orchestral · 24Samplers · 52Loop & scratch · 12Synths · 587Organs · 30
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587 plugins
Every reviewed plugin matching the current filters.
Quilcom
Vectomorph
Vectomorph by Quilcom is a free synthesizer plugin featuring unique vector oscillators formed by four line segments with adjustable levels and end times.
VST2Synths
TRJ-plugs
Vaccin
Vaccin is a free hybrid synthesizer for Windows featuring three oscillators with diverse waveforms, pulse width modulation, FM synthesis, 303-style lowpass filter, LFO, and modulation matrix.
VST2Synths
SyncerSoft
Urban Nexus
Urban Nexus by SyncerSoft is a free spectral synthesizer plugin featuring 32 harmonics with mouse-drawn harmonic spectra and envelopes. Includes warping, phat module, LP/HP filters, and LFO.
VST2Synths
GTG
Unit 1 Synth
Unit 1 Synth by GTG is a free unison oscillator synthesizer for creating fat basses and leads with up to 8 stacked oscillators, detune control, an LFO with key tracking, and a mod wheel controlled ring modulator.
VST2Synths
KBplugs
Tyro
Tyro by KBplugs is a free VST2 synthesizer plugin for Windows inspired by the u-he Diva. It emulates circuit-inspired synth textures without aiming for exact Diva sound accuracy and includes no presets.
VST2Synths
TTM Works
ttm010
ttm010 is a Windows-based VST2 synthesizer plugin featuring a unique waveform synthesis engine and modulation mechanism for simple yet versatile sound creation.
VST2Synths
TTM Works
ttm002
ttm002 by TTM Works is a free digital synthesizer plugin for Windows featuring a unique waveform synthesis engine that blends four basic waveforms.
VST2Synths
Quilcom
Trout
Trout is a free VST2 synthesizer plugin tribute to the Trautonium, featuring presets, a user guide, and historical background on this early German synthesizer.
VST2Synths
KBplugs
TriGoom
TriGoom is a free DIY synthesizer emulation inspired by the Goom hardware synth. It offers raw analog-style synthesis without presets, delivering a hands-on experience for sound design.
VST2Synths
Tekky Synths
THriCe Free
THriCe Free by Tekky Synths is a 3-oscillator hybrid synthesizer featuring multiple waveform options including dedicated FM and unison oscillators, designed for Windows 32-bit systems.
VST2Synths
SynthIV
The Visitor
The Visitor by SynthIV is a stereo chorus synthesizer featuring a tempo-synced stereo chorus effect ideal for creating spooky pads and fat, detuned bass sounds. It includes independent synth and filter circuits for left and right channels with static and envelope filters.
VST2Synths
Full Bucket Music
The scrooo
The scrooo is a free polyphonic software synthesizer featuring spectral formant synthesis with up to 32 voices and portamento.
VST2Synths
Creatorum Genius Lab
The Green Foreman
The Green Foreman by Creatorum Genius Lab is a free wave drawing synthesizer featuring Wave Draw and Wave Form oscillators, a 16-step rhythm arpeggiator, and a library of sound images. It offers 128 presets and runs as a VST2 on Windows 32-bit systems.
VST2Synths
Verklagekasper
Tetra
Tetra by Verklagekasper is a free morphing synthesizer producing stereo band-limited quadrature signals for unique soundscapes.
VST2Synths
DSK
Synthopia 2
DSK Synthopia 2 is a multi-layer synthesizer featuring 128 sounds across bass and synth categories. Play up to 3 layers or parts with MIDI channel selectors.
VST2Synths
Uhhyou
SyncSawSynth
SyncSawSynth is a free synthesizer featuring two PTR sawtooth oscillators with hard sync capable of up to 10th order polynomial transition regions for aliasing suppression.
VST2Synths
VisareTone
Style ORGAN SYNTH Plus
Style ORGAN SYNTH Plus is a free organ and synthesizer hybrid VST2 plugin for Windows featuring nine standard drawbars, adjustable key click and percussion settings, harmonic drawbar intensity, modulation FM, scanner vibrato, and wide passive amplification effects.
VST2Synths
The free-plugin pulseUpdated Aug 23, 2026
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